Yuriy Sardarov of "Chicago Fire"

NBC

Yuriy Sardarov plays a firefighter nicknamed Otis in NBC's new drama "Chicago Fire," which premieres Oct. 19. The Highland Park native is a graduate of Glenbrook North High School and has appeared on Chicago stages, including in a 2009 production of "The History Boys" at Timeline Theatre. You can see him on the big screen this fall in Ben Affleck's film "Argo."

Yuriy Sardarov plays a firefighter nicknamed Otis in NBC's new drama "Chicago Fire," which premieres Oct. 19. The Highland Park native is a graduate of Glenbrook North High School and has appeared on Chicago stages, including in a 2009 production of "The History Boys" at Timeline Theatre. You can see him on the big screen this fall in Ben Affleck's film "Argo." (NBC)

Yuriy Sardarov plays a firefighter nicknamed Otis in NBC's new drama "Chicago Fire," which premieres Oct. 19. The Highland Park native is a graduate of Glenbrook North High School and has appeared on Chicago stages, including in a 2009 production of "The History Boys" at Timeline Theatre. You can see him on the big screen this fall in Ben Affleck's film "Argo."